Which of the following is INCORRECT about Middle adulthood years? a. As individuals age, crystallized reasoning is to increases as fluid reasoning is to decreases. b. By middle adulthood, most U.S. citizens are at their peak career, a time in their lives when they are at their highest income and job status. c. Allan's BEST advantage as he turns age 60 may be his capacity for multitasking. Three years ago, he started an innovative packaging company, and it thrived during the COVID-19 pandemic d. There is a $50,000 difference between the peak earnings of Asian American men and those of Black men